1. Dongfang Hospital, Second Affiliated Hospital of Beijing University of Chinese Medicine, No. 6, District 1, Fangxingyuan, Fangzhuang, Fengtai District, Beijing 100078, China
2. School of Biological Sciences, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798
3. School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, 11 North East Third Ring Road, Chaoyang District, Beijing 100029, China